Solar power bank



FIG. 1 is a front, right and top perspective view of a solar power bank, showing my design.

FIG. 2 is a rear, left and top perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is another perspective view of the solar power bank in a first usable state; and,

FIG. 10 is another perspective view of the solar power bank in a second usable state.

The broken lines shown in the views depicts stitching, which does form a part of the claimed design. 

CLAIM The ornamental design for a solar power bank, as shown and described. 